Saito Multi Cylinder Ignitions

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3 years 3 months ago #23838 by kevinross
Saito Multi Cylinder Ignitions was created by kevinross
Although this relates to my Stearman build, the detail is relevant to anybody installing Saito multi cylinder ignitions and i think the number in the club is growing.

Its one thing to install a single or twin ignition in an ARTF designed for petrol but installing on a scale aircraft adds an extra level of difficulty and a triple ignition even more.

In order to minimise twisting and straining of the leads, its better to fit the leads, then find where the unit will fit comfortably. In a scale model, this will invariably be difficult to access.

So on the Stearman i'm mounting the unit, battery and Opto isolator on a cradle which is easy to locate with sliding pins.
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3 years 3 months ago - 3 years 3 months ago #23843 by DaveBright
Replied by DaveBright on topic Saito Multi Cylinder Ignitions
I’m hoping to be able to start the running in process of mine in the coming weeks.
Assuming it runs!
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Last edit: 3 years 3 months ago by DaveBright.
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3 years 3 months ago - 3 years 3 months ago #23845 by kevinross
Replied by kevinross on topic Saito Multi Cylinder Ignitions
Hi Dave

Initial fuel flow seems to be a problem to achieve the first firing so you may to prime the engine. Mine is no problem without the cowl because i can manually choke the venturi. So i'm currently making a spring loaded rubber pad to choke the carb when the cowl is fitted.
Last edit: 3 years 3 months ago by kevinross.

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3 years 3 months ago #23849 by kevinross
Replied by kevinross on topic Saito Multi Cylinder Ignitions
This is the basic idea
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